Internal Hex, Internal Torx, External Hex
1-5/16 ", 20 mm, 5/8 ", 7/8 ", 1-1/4 "
3/4, 1/4, 3/8, 1/2, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
2-11/16 in, 3-9/16 in, 8 in, 4-1/8 in, 2-7/16 in
8-Point, 6-Point, 4-Point, 7-Point, 12-Point
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